Subtract 18/9 from 3/70
1st number: 3/70, 2nd number: 2 0/9
3/70 - 18/9 is -137/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
18/9 = 18 × 70/9 × 70 = 1260/630 - Subtract the two like fractions:
27/630 - 1260/630 = 27 - 1260/630 = -1233/630 - After reducing the fraction, the answer is -137/70
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